Home
Class 12
CHEMISTRY
One gas bleaches the colour of flowers b...

One gas bleaches the colour of flowers by reduction while the other by oxidation :

Text Solution

Verified by Experts

The correct Answer is:
B

`SO_(2)` bleaches by reduction while chlorine bleaches colour of flowers by oxidation.
Promotional Banner

Topper's Solved these Questions

  • STOICHIOMETRY-II

    VMC MODULES ENGLISH|Exercise LEVEL (2)|65 Videos
  • STOICHIOMETRY-II

    VMC MODULES ENGLISH|Exercise JEE Main (Archive)|21 Videos
  • STOICHIOMETRY-II

    VMC MODULES ENGLISH|Exercise JEE Advanced (Archive)|43 Videos
  • STOICHIOMETRY - I

    VMC MODULES ENGLISH|Exercise JEE Advanced (Archive)|31 Videos
  • STRUCTURE OF ATOM

    VMC MODULES ENGLISH|Exercise IN-CHAPTER EXERCISE-F|7 Videos

Similar Questions

Explore conceptually related problems

One gas bleaches the colour of flowers by reduction and other by oxidation. These gases are

One gas bleaches the colour of flowers by reduction and another gas by oxidation. The gases respectively are

Define reduction in terms of oxidation number.

Orange-yellow colours of flowers and fruits are due to

In the majority of flowering plants, the megaspore is functional while the other three degenerate

Bleaching of flowers by chlorine is permanet, while that by sulphur dioxide is temporary. Explain.

Explain the following with proper reason: (i) Bleaching of flowers by chlorine is permanent while after bleaching with SO_2 , the colour returns. (ii) Iodine dissolves more in KI solution than in water.

In group 13, Tl (thalium) shows +1 oxidation state while other members show +3 oxidation state, why ?

Most flowers have colourful sepals. [ ]

Give a balanced equation for : Reduction of hot Copper (II) oxide to copper using ammonia gas .

VMC MODULES ENGLISH-STOICHIOMETRY-II-LEVEL (1)
  1. I^(-) reduces IO(3)^(-) to I(2) and itself oxidised to I(2) in acidic ...

    Text Solution

    |

  2. SnCl(2) gives a precipitate with a solution of HgCl(2). In this proces...

    Text Solution

    |

  3. One gas bleaches the colour of flowers by reduction while the other by...

    Text Solution

    |

  4. Which of the following changes requires a reducing agent ?

    Text Solution

    |

  5. N(2) + 3H(2) to 2NH(3) In this reaction, equivalent weight of N(2) is...

    Text Solution

    |

  6. NaHC(2)O(4) is neutralised by NaOH. It can also be oxidised by KMnO(4...

    Text Solution

    |

  7. Cl(2) changes to Cl^(-) in cold NaOH. The equivalent weight of Cl(2)...

    Text Solution

    |

  8. Equivalent weights of KMnO(4) in acidic medium, alkaline medium and n...

    Text Solution

    |

  9. 1 mole of ferric oxalate is oxidised by x mole of MnO(4)^(-) in acidic...

    Text Solution

    |

  10. Which has maximum number of equivalent per mole of the oxidant?

    Text Solution

    |

  11. NH(3) is oxidised to NO by O(2) (air) in basic medium. Number of equ...

    Text Solution

    |

  12. In the following unbalanced redox reaction, Cu(3)P+Cr(2)O(7)^(2-) ra...

    Text Solution

    |

  13. NaHC(2)O(4) is 0.1 M when neutralised with NaOH. Hence, it is ...... w...

    Text Solution

    |

  14. Which of the following is not oxidised by MnO(2) ?

    Text Solution

    |

  15. 100 mL of NaHC(2)O(4) required 50 mL of 0.1M KMnO(4) solution in acid...

    Text Solution

    |

  16. In a titration, H(2)O(2) is oxidised to O(2) by MnO(4)^(-). 24 mL of...

    Text Solution

    |

  17. What is Thiol?

    Text Solution

    |

  18. I^(-) reduces HNO(2) to :

    Text Solution

    |

  19. KMnO(4) oxidises I^(-) to I(2) in acidic medium. The equivalent wei...

    Text Solution

    |

  20. For the reaction 3Br(2)+6OH^(ө)-lt5Br^(ө)+BrO(3)^(ө)+3H(2)O Equiva...

    Text Solution

    |